Finding the Fourth Proportional to 79,698.87, 119,394.81 and 44,663.13
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Solution
The fourth proportional to 79,698.87, 119,394.81 and 44,663.13 is: 66,908.68
Step by Step Solution
- Step 1: Write the proportion equation
79,698.87 : 119,394.81 = 44,663.13 : x - Step 2: Convert to fraction form
79,698.87/119,394.81 = 44,663.13/x - Step 3: Cross multiply
79,698.87x = 119,394.81 × 44,663.13 - Step 4: Simplify right side
79,698.87x = 5,332,545,920.36 - Step 5: Solve for x
x = 5,332,545,920.36/79,698.87 - Step 6: Final answer
x = 66,908.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.